(a) Interpretation: The number of peaks for each indicated proton is to be predicted. Concept introduction: The number of NMR signal in a compound is equal to the number of chemically non-equivalent protons present in that compound. Protons which are present in the same chemical environment that is between the same group of atoms are known as chemically equivalent protons and in 1 H − NMR all chemically equivalent proton generates one signal or one peak, whereas non-equivalent proton generates different signals.

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Answer 1

Question

Chapter 12C.6, Problem 15P

Interpretation Introduction

(a)

Interpretation: The number of peaks for each indicated proton is to be predicted.

Concept introduction: The number of NMR signal in a compound is equal to the number of chemically non-equivalent protons present in that compound. Protons which are present in the same chemical environment that is between the same group of atoms are known as chemically equivalent protons and in 1H−NMR all chemically equivalent proton generates one signal or one peak, whereas non-equivalent proton generates different signals.

Interpretation Introduction

(b)

Interpretation: The number of peaks for each indicated proton is to be predicted.

Concept introduction: The number of NMR signal in a compound is equal to the number of chemically non-equivalent protons present in that compound. Protons which are present in the same chemical environment that is between the same group of atoms are known as chemically equivalent protons and in 1H−NMR all chemically equivalent proton generates one signal or one peak, whereas non-equivalent proton generates different signals.

Interpretation Introduction

(c)

Interpretation: The number of peaks for each indicated proton is to be predicted.

Concept introduction: The number of NMR signal in a compound is equal to the number of chemically non-equivalent protons present in that compound. Protons which are present in the same chemical environment that is between the same group of atoms are known as chemically equivalent protons and in 1H−NMR all chemically equivalent proton generates one signal or one peak, whereas non-equivalent proton generates different signals.

Interpretation Introduction

(d)

Interpretation: The number of peaks for each indicated proton is to be predicted.

Concept introduction: The number of NMR signal in a compound is equal to the number of chemically non-equivalent protons present in that compound. Protons which are present in the same chemical environment that is between the same group of atoms are known as chemically equivalent protons and in 1H−NMR all chemically equivalent proton generates one signal or one peak, whereas non-equivalent proton generates different signals.

Interpretation Introduction

(e)

Interpretation: The number of peaks for each indicated proton is to be predicted.

Concept introduction: The number of NMR signal in a compound is equal to the number of chemically non-equivalent protons present in that compound. Protons which are present in the same chemical environment that is between the same group of atoms are known as chemically equivalent protons and in 1H−NMR all chemically equivalent proton generates one signal or one peak, whereas non-equivalent proton generates different signals.

Interpretation Introduction

(f)

Interpretation: The number of peaks for each indicated proton is to be predicted.

Concept introduction: The number of NMR signal in a compound is equal to the number of chemically non-equivalent protons present in that compound. Protons which are present in the same chemical environment that is between the same group of atoms are known as chemically equivalent protons and in 1H−NMR all chemically equivalent proton generates one signal or one peak, whereas non-equivalent proton generates different signals.

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For each compound, first label each different type of proton and then rank the protons in order of increasing chemical shift.

Aa.122.

5) Which of the following type of protons are chemically equivalent? A. homotopic only B. diastereotopic only C. enantiotopic only D. A & C E. A & B

Answer 2

Question

Chapter 12C.6, Problem 15P

Interpretation Introduction

(a)

Interpretation: The number of peaks for each indicated proton is to be predicted.

Concept introduction: The number of NMR signal in a compound is equal to the number of chemically non-equivalent protons present in that compound. Protons which are present in the same chemical environment that is between the same group of atoms are known as chemically equivalent protons and in 1H−NMR all chemically equivalent proton generates one signal or one peak, whereas non-equivalent proton generates different signals.

Interpretation Introduction

(b)

Interpretation: The number of peaks for each indicated proton is to be predicted.

Concept introduction: The number of NMR signal in a compound is equal to the number of chemically non-equivalent protons present in that compound. Protons which are present in the same chemical environment that is between the same group of atoms are known as chemically equivalent protons and in 1H−NMR all chemically equivalent proton generates one signal or one peak, whereas non-equivalent proton generates different signals.

Interpretation Introduction

(c)

Interpretation: The number of peaks for each indicated proton is to be predicted.

Concept introduction: The number of NMR signal in a compound is equal to the number of chemically non-equivalent protons present in that compound. Protons which are present in the same chemical environment that is between the same group of atoms are known as chemically equivalent protons and in 1H−NMR all chemically equivalent proton generates one signal or one peak, whereas non-equivalent proton generates different signals.

Interpretation Introduction

(d)

Interpretation: The number of peaks for each indicated proton is to be predicted.

Concept introduction: The number of NMR signal in a compound is equal to the number of chemically non-equivalent protons present in that compound. Protons which are present in the same chemical environment that is between the same group of atoms are known as chemically equivalent protons and in 1H−NMR all chemically equivalent proton generates one signal or one peak, whereas non-equivalent proton generates different signals.

Interpretation Introduction

(e)

Interpretation: The number of peaks for each indicated proton is to be predicted.

Concept introduction: The number of NMR signal in a compound is equal to the number of chemically non-equivalent protons present in that compound. Protons which are present in the same chemical environment that is between the same group of atoms are known as chemically equivalent protons and in 1H−NMR all chemically equivalent proton generates one signal or one peak, whereas non-equivalent proton generates different signals.

Interpretation Introduction

(f)

Interpretation: The number of peaks for each indicated proton is to be predicted.

Concept introduction: The number of NMR signal in a compound is equal to the number of chemically non-equivalent protons present in that compound. Protons which are present in the same chemical environment that is between the same group of atoms are known as chemically equivalent protons and in 1H−NMR all chemically equivalent proton generates one signal or one peak, whereas non-equivalent proton generates different signals.

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Answer 3

Question

Chapter 12C.6, Problem 15P

Interpretation Introduction

(a)

Interpretation: The number of peaks for each indicated proton is to be predicted.

Concept introduction: The number of NMR signal in a compound is equal to the number of chemically non-equivalent protons present in that compound. Protons which are present in the same chemical environment that is between the same group of atoms are known as chemically equivalent protons and in 1H−NMR all chemically equivalent proton generates one signal or one peak, whereas non-equivalent proton generates different signals.

Interpretation Introduction

(b)

Interpretation: The number of peaks for each indicated proton is to be predicted.

Concept introduction: The number of NMR signal in a compound is equal to the number of chemically non-equivalent protons present in that compound. Protons which are present in the same chemical environment that is between the same group of atoms are known as chemically equivalent protons and in 1H−NMR all chemically equivalent proton generates one signal or one peak, whereas non-equivalent proton generates different signals.

Interpretation Introduction

(c)

Interpretation: The number of peaks for each indicated proton is to be predicted.

Concept introduction: The number of NMR signal in a compound is equal to the number of chemically non-equivalent protons present in that compound. Protons which are present in the same chemical environment that is between the same group of atoms are known as chemically equivalent protons and in 1H−NMR all chemically equivalent proton generates one signal or one peak, whereas non-equivalent proton generates different signals.

Interpretation Introduction

(d)

Interpretation: The number of peaks for each indicated proton is to be predicted.

Concept introduction: The number of NMR signal in a compound is equal to the number of chemically non-equivalent protons present in that compound. Protons which are present in the same chemical environment that is between the same group of atoms are known as chemically equivalent protons and in 1H−NMR all chemically equivalent proton generates one signal or one peak, whereas non-equivalent proton generates different signals.

Interpretation Introduction

(e)

Interpretation: The number of peaks for each indicated proton is to be predicted.

Concept introduction: The number of NMR signal in a compound is equal to the number of chemically non-equivalent protons present in that compound. Protons which are present in the same chemical environment that is between the same group of atoms are known as chemically equivalent protons and in 1H−NMR all chemically equivalent proton generates one signal or one peak, whereas non-equivalent proton generates different signals.

Interpretation Introduction

(f)

Interpretation: The number of peaks for each indicated proton is to be predicted.

Concept introduction: The number of NMR signal in a compound is equal to the number of chemically non-equivalent protons present in that compound. Protons which are present in the same chemical environment that is between the same group of atoms are known as chemically equivalent protons and in 1H−NMR all chemically equivalent proton generates one signal or one peak, whereas non-equivalent proton generates different signals.

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Answer 4

Question

Chapter 12C.6, Problem 15P

Interpretation Introduction

(a)

Interpretation: The number of peaks for each indicated proton is to be predicted.

Concept introduction: The number of NMR signal in a compound is equal to the number of chemically non-equivalent protons present in that compound. Protons which are present in the same chemical environment that is between the same group of atoms are known as chemically equivalent protons and in 1H−NMR all chemically equivalent proton generates one signal or one peak, whereas non-equivalent proton generates different signals.

Interpretation Introduction

(b)

Interpretation: The number of peaks for each indicated proton is to be predicted.

Concept introduction: The number of NMR signal in a compound is equal to the number of chemically non-equivalent protons present in that compound. Protons which are present in the same chemical environment that is between the same group of atoms are known as chemically equivalent protons and in 1H−NMR all chemically equivalent proton generates one signal or one peak, whereas non-equivalent proton generates different signals.

Interpretation Introduction

(c)

Interpretation: The number of peaks for each indicated proton is to be predicted.

Concept introduction: The number of NMR signal in a compound is equal to the number of chemically non-equivalent protons present in that compound. Protons which are present in the same chemical environment that is between the same group of atoms are known as chemically equivalent protons and in 1H−NMR all chemically equivalent proton generates one signal or one peak, whereas non-equivalent proton generates different signals.

Interpretation Introduction

(d)

Interpretation: The number of peaks for each indicated proton is to be predicted.

Concept introduction: The number of NMR signal in a compound is equal to the number of chemically non-equivalent protons present in that compound. Protons which are present in the same chemical environment that is between the same group of atoms are known as chemically equivalent protons and in 1H−NMR all chemically equivalent proton generates one signal or one peak, whereas non-equivalent proton generates different signals.

Interpretation Introduction

(e)

Interpretation: The number of peaks for each indicated proton is to be predicted.

Concept introduction: The number of NMR signal in a compound is equal to the number of chemically non-equivalent protons present in that compound. Protons which are present in the same chemical environment that is between the same group of atoms are known as chemically equivalent protons and in 1H−NMR all chemically equivalent proton generates one signal or one peak, whereas non-equivalent proton generates different signals.

Interpretation Introduction

(f)

Interpretation: The number of peaks for each indicated proton is to be predicted.

Concept introduction: The number of NMR signal in a compound is equal to the number of chemically non-equivalent protons present in that compound. Protons which are present in the same chemical environment that is between the same group of atoms are known as chemically equivalent protons and in 1H−NMR all chemically equivalent proton generates one signal or one peak, whereas non-equivalent proton generates different signals.

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Answer 5

Chapter 12C.6, Problem 15P

Interpretation Introduction

(a)

Interpretation: The number of peaks for each indicated proton is to be predicted.

Concept introduction: The number of NMR signal in a compound is equal to the number of chemically non-equivalent protons present in that compound. Protons which are present in the same chemical environment that is between the same group of atoms are known as chemically equivalent protons and in 1H−NMR all chemically equivalent proton generates one signal or one peak, whereas non-equivalent proton generates different signals.

Interpretation Introduction

(b)

Interpretation: The number of peaks for each indicated proton is to be predicted.

Concept introduction: The number of NMR signal in a compound is equal to the number of chemically non-equivalent protons present in that compound. Protons which are present in the same chemical environment that is between the same group of atoms are known as chemically equivalent protons and in 1H−NMR all chemically equivalent proton generates one signal or one peak, whereas non-equivalent proton generates different signals.

Interpretation Introduction

(c)

Interpretation: The number of peaks for each indicated proton is to be predicted.

Concept introduction: The number of NMR signal in a compound is equal to the number of chemically non-equivalent protons present in that compound. Protons which are present in the same chemical environment that is between the same group of atoms are known as chemically equivalent protons and in 1H−NMR all chemically equivalent proton generates one signal or one peak, whereas non-equivalent proton generates different signals.

Interpretation Introduction

(d)

Interpretation: The number of peaks for each indicated proton is to be predicted.

Concept introduction: The number of NMR signal in a compound is equal to the number of chemically non-equivalent protons present in that compound. Protons which are present in the same chemical environment that is between the same group of atoms are known as chemically equivalent protons and in 1H−NMR all chemically equivalent proton generates one signal or one peak, whereas non-equivalent proton generates different signals.

Interpretation Introduction

(e)

Interpretation: The number of peaks for each indicated proton is to be predicted.

Concept introduction: The number of NMR signal in a compound is equal to the number of chemically non-equivalent protons present in that compound. Protons which are present in the same chemical environment that is between the same group of atoms are known as chemically equivalent protons and in 1H−NMR all chemically equivalent proton generates one signal or one peak, whereas non-equivalent proton generates different signals.

Interpretation Introduction

(f)

Interpretation: The number of peaks for each indicated proton is to be predicted.

Concept introduction: The number of NMR signal in a compound is equal to the number of chemically non-equivalent protons present in that compound. Protons which are present in the same chemical environment that is between the same group of atoms are known as chemically equivalent protons and in 1H−NMR all chemically equivalent proton generates one signal or one peak, whereas non-equivalent proton generates different signals.

Answer 6

Chapter 12C.6, Problem 15P

Interpretation Introduction

(a)

Interpretation: The number of peaks for each indicated proton is to be predicted.

Concept introduction: The number of NMR signal in a compound is equal to the number of chemically non-equivalent protons present in that compound. Protons which are present in the same chemical environment that is between the same group of atoms are known as chemically equivalent protons and in 1H−NMR all chemically equivalent proton generates one signal or one peak, whereas non-equivalent proton generates different signals.

Answer 7

Chapter 12C.6, Problem 15P

Interpretation Introduction

(a)

Interpretation: The number of peaks for each indicated proton is to be predicted.

Concept introduction: The number of NMR signal in a compound is equal to the number of chemically non-equivalent protons present in that compound. Protons which are present in the same chemical environment that is between the same group of atoms are known as chemically equivalent protons and in 1H−NMR all chemically equivalent proton generates one signal or one peak, whereas non-equivalent proton generates different signals.

Answer 8

Interpretation Introduction

(b)

Interpretation: The number of peaks for each indicated proton is to be predicted.

Concept introduction: The number of NMR signal in a compound is equal to the number of chemically non-equivalent protons present in that compound. Protons which are present in the same chemical environment that is between the same group of atoms are known as chemically equivalent protons and in 1H−NMR all chemically equivalent proton generates one signal or one peak, whereas non-equivalent proton generates different signals.

Answer 9

Interpretation Introduction

(b)

Interpretation: The number of peaks for each indicated proton is to be predicted.

Concept introduction: The number of NMR signal in a compound is equal to the number of chemically non-equivalent protons present in that compound. Protons which are present in the same chemical environment that is between the same group of atoms are known as chemically equivalent protons and in 1H−NMR all chemically equivalent proton generates one signal or one peak, whereas non-equivalent proton generates different signals.

Answer 10

Interpretation Introduction

(c)

Interpretation: The number of peaks for each indicated proton is to be predicted.

Concept introduction: The number of NMR signal in a compound is equal to the number of chemically non-equivalent protons present in that compound. Protons which are present in the same chemical environment that is between the same group of atoms are known as chemically equivalent protons and in 1H−NMR all chemically equivalent proton generates one signal or one peak, whereas non-equivalent proton generates different signals.

Answer 11

Interpretation Introduction

(c)

Interpretation: The number of peaks for each indicated proton is to be predicted.

Concept introduction: The number of NMR signal in a compound is equal to the number of chemically non-equivalent protons present in that compound. Protons which are present in the same chemical environment that is between the same group of atoms are known as chemically equivalent protons and in 1H−NMR all chemically equivalent proton generates one signal or one peak, whereas non-equivalent proton generates different signals.

Answer 12

Interpretation Introduction

(d)

Interpretation: The number of peaks for each indicated proton is to be predicted.

Concept introduction: The number of NMR signal in a compound is equal to the number of chemically non-equivalent protons present in that compound. Protons which are present in the same chemical environment that is between the same group of atoms are known as chemically equivalent protons and in 1H−NMR all chemically equivalent proton generates one signal or one peak, whereas non-equivalent proton generates different signals.

Answer 13

Interpretation Introduction

(d)

Interpretation: The number of peaks for each indicated proton is to be predicted.

Concept introduction: The number of NMR signal in a compound is equal to the number of chemically non-equivalent protons present in that compound. Protons which are present in the same chemical environment that is between the same group of atoms are known as chemically equivalent protons and in 1H−NMR all chemically equivalent proton generates one signal or one peak, whereas non-equivalent proton generates different signals.

Answer 14

Interpretation Introduction

(e)

Interpretation: The number of peaks for each indicated proton is to be predicted.

Concept introduction: The number of NMR signal in a compound is equal to the number of chemically non-equivalent protons present in that compound. Protons which are present in the same chemical environment that is between the same group of atoms are known as chemically equivalent protons and in 1H−NMR all chemically equivalent proton generates one signal or one peak, whereas non-equivalent proton generates different signals.

Answer 15

Interpretation Introduction

(e)

Interpretation: The number of peaks for each indicated proton is to be predicted.

Concept introduction: The number of NMR signal in a compound is equal to the number of chemically non-equivalent protons present in that compound. Protons which are present in the same chemical environment that is between the same group of atoms are known as chemically equivalent protons and in 1H−NMR all chemically equivalent proton generates one signal or one peak, whereas non-equivalent proton generates different signals.

Answer 16

Interpretation Introduction

(f)

Interpretation: The number of peaks for each indicated proton is to be predicted.

Concept introduction: The number of NMR signal in a compound is equal to the number of chemically non-equivalent protons present in that compound. Protons which are present in the same chemical environment that is between the same group of atoms are known as chemically equivalent protons and in 1H−NMR all chemically equivalent proton generates one signal or one peak, whereas non-equivalent proton generates different signals.

Answer 17

Interpretation Introduction

(f)

Interpretation: The number of peaks for each indicated proton is to be predicted.

Concept introduction: The number of NMR signal in a compound is equal to the number of chemically non-equivalent protons present in that compound. Protons which are present in the same chemical environment that is between the same group of atoms are known as chemically equivalent protons and in 1H−NMR all chemically equivalent proton generates one signal or one peak, whereas non-equivalent proton generates different signals.

Answer 18

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Answer 19

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Answer 20

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Answer 21

Ch. 12C.1 - Problem 14.1 The NMR spectrum of recorded on a ...Ch. 12C.1 - Prob. 2P Ch. 12C.2 - How many 1H NMR signals does each...Ch. 12C.2 - How many 1H NMR signals does each compound give?...Ch. 12C.2 - Label the protons in each highlighted CH2 group as...Ch. 12C.2 - How many 1H NMR signals would you expect for each...Ch. 12C.3 - Prob. 9P Ch. 12C.3 - For each compound, first label each different type...Ch. 12C.3 - Label each statement as True or False. a. When a...Ch. 12C.4 - Prob. 12P

Solution Summary: The author explains that the number of peaks for each indicated proton is to be predicted.

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